Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

LIN Communication System

DTC No.

Detection Item

Link

B1206

P/W Master Switch Communication Stop

B1273

Sliding Roof ECU Communication Stop

B2321

Driver Side Door ECU Communication Stop

B2322

Front Passenger Side Door ECU Communication Stop

B2323

Rear Door RH ECU Communication Stop

B2324

Rear Door LH ECU Communication Stop

B2325

LIN Communication Bus Malfunction

B2785

Communication Malfunction between ECUs Connected by LIN

B2786

No Response from Steering Lock ECU

B2789

No Response from ID BOX

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 P/W Master Switch Communication Stop (B1206)

DESCRIPTION This DTC is stored when LIN communication between the multiplex network master switch assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Det

 Sliding Roof ECU Communication Stop (B1273)

DESCRIPTION This DTC is stored when LIN communication between the sliding roof drive gear sub-assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. Detecti

 Driver Side Door ECU Communication Stop (B2321)

DESCRIPTION This DTC is stored when LIN communication between the front power window regulator motor assembly LH and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No.

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 Components

COMPONENTS ILLUSTRATION *1 DECK BOARD ASSEMBLY *2 DECK FLOOR BOX LH *3 NO. 3 DECK BOARD SUB-ASSEMBLY *4 REAR DECK FLOOR BOX *5 NEGATIVE AUXILIARY BATTERY TERMINAL - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 DECK FLOOR BOX RH *2

 Open in One Side of Bus 3 Branch Line

DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in

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